[Developers] Test suite criteria
dprideout at gmail.com
Fri Jul 14 13:39:34 CDT 2006
Well surely it makes no sense to demand small absolute errors for large
numbers. Does this mean that in practice few people use large numbers in
I recall a long discussion about this, around Jan. 2002. Perhaps no
agreement was reached...
Your proposal seems reasonable to me. It seems to behave well both near
zero and near infinity.
On 7/13/06, Erik Schnetter <schnetter at cct.lsu.edu > wrote:
> The Cactus test suites check for differences using both the absolute
> and the relative differences. A test is marked as failing if either
> of the differences is too large. There was one case where the
> relative error was 1e-15, but the absolute error 1e-12 (since the
> value itself was about 1000), and thus the test was marked as
> failing. However, things don't get much better than a relative
> difference of 1e-15.
> I suggest to change the criteria from "either" to "both". That is, a
> test would fail only if both the absolute and relative differences
> are too large.
> Erik Schnetter <schnetter at cct.lsu.edu>
> My email is as private as my paper mail. I therefore support encrypting
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